diff --git a/install.sh b/install.sh
index dc582c57a98baf55157dd810a43f7ad9c9390cb6..82dd84d2050eef6e1d803bdb33cc8a2a61ee816f 100755
--- a/install.sh
+++ b/install.sh
@@ -3,7 +3,7 @@ set -e
 set -x
 
 # use snapshot repos for deterministic package versions
-DATE="20221108T000000Z"
+DATE="20230209T000000Z"
 cat << EOF > /etc/apt/sources.list
 deb http://snapshot.debian.org/archive/debian/${DATE}/ bullseye main
 deb http://snapshot.debian.org/archive/debian/${DATE}/ bullseye-updates main
diff --git a/template-snowflake-android.pom b/template-snowflake-android.pom
index 874baba8fedd43f3965434bcdea4e0f85a8e3fea..9588ce532aace3e448982781e2a4fe442187758b 100644
--- a/template-snowflake-android.pom
+++ b/template-snowflake-android.pom
@@ -10,7 +10,7 @@
   <licenses>
    <license>
      <name>BSD-3-clause</name>
-     <url>https://gitweb.torproject.org/pluggable-transports/snowflake.git/tree/LICENSE</url>
+     <url>https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/blob/main/LICENSE</url>
    </license>
   </licenses>
   <developers>
@@ -21,8 +21,8 @@
     </developer>
   </developers>
   <scm>
-    <connection>scm:https://git.torproject.org/pluggable-transports/snowflake.git</connection>
-    <developerConnection>scm:git@gitweb.torproject.org/pluggable-transports/snowflake.git</developerConnection>
-    <url>scm:https://gitweb.torproject.org/pluggable-transports/snowflake.git</url>
+    <connection>scm:https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake.git</connection>
+    <developerConnection>scm:git@gitlab.torproject.org:tpo/anti-censorship/pluggable-transports/snowflake.git</developerConnection>
+    <url>scm:https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake.git</url>
   </scm>
 </project>
diff --git a/template-snowflake-linux.pom b/template-snowflake-linux.pom
index 4d2b1c7d9dfab0d18b270e305564c4aa2114e60f..e4a329257d819ed3f4b35b051aeef0ad5f9c725c 100644
--- a/template-snowflake-linux.pom
+++ b/template-snowflake-linux.pom
@@ -10,7 +10,7 @@
   <licenses>
    <license>
      <name>BSD-3-clause</name>
-     <url>https://gitweb.torproject.org/pluggable-transports/snowflake.git/tree/LICENSE</url>
+     <url>https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/blob/main/LICENSE</url>
    </license>
   </licenses>
   <developers>
@@ -21,8 +21,8 @@
     </developer>
   </developers>
   <scm>
-    <connection>scm:https://git.torproject.org/pluggable-transports/snowflake.git</connection>
-    <developerConnection>scm:git@gitweb.torproject.org/pluggable-transports/snowflake.git</developerConnection>
-    <url>scm:https://gitweb.torproject.org/pluggable-transports/snowflake.git</url>
+    <connection>scm:https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake.git</connection>
+    <developerConnection>scm:git@gitlab.torproject.org:tpo/anti-censorship/pluggable-transports/snowflake.git</developerConnection>
+    <url>scm:https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake.git</url>
   </scm>
 </project>
diff --git a/template-snowflake-windows.pom b/template-snowflake-windows.pom
index 5bb59acafe9a055878113be761f1c02c9b080931..3ee94aec5db2b441e0cbe9747b385b9100e0129a 100644
--- a/template-snowflake-windows.pom
+++ b/template-snowflake-windows.pom
@@ -10,7 +10,7 @@
   <licenses>
    <license>
      <name>BSD-3-clause</name>
-     <url>https://gitweb.torproject.org/pluggable-transports/snowflake.git/tree/LICENSE</url>
+     <url>https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/blob/main/LICENSE</url>
    </license>
   </licenses>
   <developers>
@@ -21,8 +21,8 @@
     </developer>
   </developers>
   <scm>
-    <connection>scm:https://git.torproject.org/pluggable-transports/snowflake.git</connection>
-    <developerConnection>scm:git@gitweb.torproject.org/pluggable-transports/snowflake.git</developerConnection>
-    <url>scm:https://gitweb.torproject.org/pluggable-transports/snowflake.git</url>
+    <connection>scm:https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake.git</connection>
+    <developerConnection>scm:git@gitlab.torproject.org:tpo/anti-censorship/pluggable-transports/snowflake.git</developerConnection>
+    <url>scm:https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake.git</url>
   </scm>
 </project>
diff --git a/versions.json b/versions.json
index 1fd3bd2c887343708d2f775ddccb6ec8ca36b44a..d5ae820aec95fc10e521a9261eeec977d2980495 100644
--- a/versions.json
+++ b/versions.json
@@ -128,9 +128,9 @@
     }
   },
   "snowflake": {
-    "2.3.1-1": {
-      "repo_url": "https://git.torproject.org/pluggable-transports/snowflake.git",
-      "revision": "36f03dfd4483922b3e7400dedc71df9cf2f30b6b",
+    "2.5.1": {
+      "repo_url": "https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake.git",
+      "revision": "7b77001eaa90e09d41172a2b170dabd3f1922b4a",
       "build_path": "client",
       "repo_dir": "snowflake",
       "go": {